Power supply device for electronic cigarette



FIG. 1 is a front elevational view of a power supply device for electronic cigarette showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, right, and top perspective view thereof; and,

FIG. 8 is a rear, left, and bottom perspective view thereof.

The broken (dashed) lines show portions of the power supply device for electronic cigarette that form no part of the claimed design. 

CLAIM The ornamental design for a power supply device for electronic cigarette, as shown and described. 